The Samsung 8400 mAh external battery pack is portable so you can charge your mobile device any place especially in on-the-go situations. Its optimum size lets users easily carry the external battery pack. Now, you can enjoy your mobile life without worries even when you are outside. The Samsung 8400 mAh external battery pack utilizes a Samsung SDI battery cell.
It is certified under Samsung's strict testing. You can conveniently charge two devices at once. Charge multiple devices with ease or share device charging with your friends. Now you can use your external battery pack more efficiently. A five-level LED indicator shows the level of battery left in the pack. Users can check the level with one push of a button.